. >>> plus, clinton honors mandela. the former president shares very personal stories about his friend and his hero. he says the south african leader's advice helped him get through one of his darkest hours. stand by for my one-on-one interview. >>> plus, breaking news. a snow and ice emergency. a deadly winter storm is causing havoc on the roads and in the skies across america. we're tracking the danger as the deep freeze moves east and a new storm develops out west. >>> and a big jump in jobs. does president obama deserve credit for improving the u.s. economy after a surprisingly strong employment report? i'm wolf blitzer. you're in "the situation room." >>> a ten-day mourning period is under way for one of the most influential leaders of our time. we're learning more about the final tributes to nelson mandela. stand by for that, and for my special conversation with the former president, bill clinton. he reveals a time when he and the south african president didn't see eye-to-eye but first, the breaking news we're fol